<template>
  <div class="list_container">
    <el-card class="box-card">
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>

      <el-row :gutter="20"
              class="search">
        <el-col :span="8">
          <el-input placeholder="请输入内容"
                    v-model="queryInfo.query"
                    clearable
                    @clear="getGoodsList">
            <el-button slot="append"
                       @click="getGoodsList"
                       icon="el-icon-search">
            </el-button>
          </el-input>
        </el-col>
        <el-col :span="2">
          <el-button class="addUser"
                     type="primary"
                     @click="goAddPage">
            添加商品
          </el-button>
        </el-col>
      </el-row>

      <el-table :data="goodsList"
                border
                stripe>
        <el-table-column type="index">
        </el-table-column>
        <el-table-column class="goodsName"
                         prop="goods_name"
                         label="商品名称">
        </el-table-column>
        <el-table-column prop="goods_price"
                         label="商品价格(元)">
        </el-table-column>
        <el-table-column prop="goods_weight"
                         label="商品重量">
        </el-table-column>
        <el-table-column prop="add_time"
                         label="创建时间">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作"
                         width="250px"
                         prop="level">
          <template slot-scope="scope">
            <el-button type="primary"
                       icon="el-icon-edit"
                       size="mini"></el-button>
            <el-button type="danger"
                       icon="el-icon-delete"
                       size="mini"
                       @click="removeById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <el-pagination @size-change="handleSizeChange"
                     @current-change="handleCurrentChange"
                     :current-page="queryInfo.pagesize"
                     :page-sizes="[1, 2, 5, 10]"
                     :page-size="queryInfo.pagesize"
                     layout="total, sizes, prev, pager, next, jumper"
                     :total="total">
      </el-pagination>

    </el-card>

  </div>
</template>

<script>
export default {
  data () {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodsList: [],
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表数据失败！')
      }
      this.goodsList = res.data.goods
      this.total = res.data.total
      // console.log(this.goodsList)
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    async removeById (id) {
      const confirmRes = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmRes !== 'confirm') {
        return this.$message.info('取消了删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败')
      }
      this.$message.success('删除商品成功！')
      this.getGoodsList()
    },
    goAddPage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
.list_container {
  width: 85%;
  .search {
    margin: 15px 0;
  }
  /deep/.el-table .cell {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .el-pagination {
    margin-top: 15px;
  }
}
</style>
